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AOC 2025 is right around the corner. Last year, my first year, I just started a raw Elixir application and manually created modules for e...
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Happy Friday!
I spent some time solving Fly.io’s “Gossip Glomers” distributed systems challenges in Elixir: GitHub - Nezteb/gossip_glome...
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What do you do if you’ve done an exercise, it works, it’s not very inefficient and seems concise, then you go to the community solutions,...
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This wraps up Advent of Code 2024 for me. Looking back on the puzzles, here are the ones I found to be the hardest:
Day 11: Plutonian P...
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Anyone have a solution to Part 2 today? Part 1 was straight forward, but I can’t figure out a programatic way to do part 2. I understand ...
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Happy Friday!
I spent some time solving Fly.io’s “Gossip Glomers” distributed systems challenges in Elixir: GitHub - Nezteb/gossip_glome...
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AOC 2025 is right around the corner. Last year, my first year, I just started a raw Elixir application and manually created modules for e...
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Trending Last Three Years
Nobody’s doing Advent of Code this year? :smile:
I might do the first week or so.
For Day 1, first I solved it using regular expression...
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Here is my solution for day 2 of Advent of Code:
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Setting this down for the night, as after a quick naive solve for quick part 1 I realize that part 2 is by design computationally expensi...
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Here is my solution for day 1 of Advent of Code:
defmodule Day01 do
def part1(input) do
all = parse(input)
{first, second} = E...
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The second part of today’s puzzle is very misleading.
FYI, each of the ghosts has only one possible position that ends with a "Z" on its...
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I tried to use combinatorial to solve today’s puzzles but failed (my brain burned out :exploding_head:). In the end I just used brute for...
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Today is a brute-force day: advent-of-code-2024/lib/advent_of_code2024/day6.ex at main · ibarakaiev/advent-of-code-2024 · GitHub
Takes a...
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I spent 3 hours struggling in part 2, until I noticed a very basic mistake :joy:
Here’s my code:
By the way, the starting position in...
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Thought I’d kick today’s thread off!
Parsing
Enum rocks, so most of my code was actually in parsing input.
▶ Preprocessing input
Part 1...
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Here’s my day 3 code
This was quite easy. I was afraid Part 2 would be “un-regex-able” and was preparing for hand crafting automata bu...
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I said I was on a break, but I took a sneak peak and it looked fun so…
Part 1 completes in half a millisecond with a single pass of the ...
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Here is my solution for day 4:
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Today’s problem is really tense. I don’t think I can do it without libgraph.
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Don’t know why the regex ~r/[\W && [^\.]]/x does not work in Elixir. It works pretty well in Ruby.
Anyway, here is my solution:
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Everything went smoothly today.
Nothing to change to solve part 2 because I already used memoization for part 1 (it looked like an AoC e...
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Trending Over 3 Years
This topic is about Day 1 of the Advent of Code 2021.
We have a private leaderboard (shared with users of Erlang Forums):
https://adven...
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Note by the Moderators: This topic is for general discussion about the Advent of Code 2018.
To prevent people from being spoiled about s...
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This topic is about Day 3 of the Advent of Code 2020 .
Thanks to @egze, we have a private leaderboard:
https://adventofcode.com/2020/le...
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This topic is about Day 7 of the Advent of Code 2020 .
Thanks to @egze, we have a private leaderboard:
https://adventofcode.com/2020/le...
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Note: This topic is to talk about Day 2 of the Advent of Code 2019 .
There is a private leaderboard for elixirforum members. You can joi...
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It is that time of the year again: Advent of Code 2022 :christmas_tree:
Day 1
Leaderboard:
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Hello, guys. I’m back again, but only for the weekends, maybe.
This topic is about Day 13 of the Advent of Code 2020 .
Thanks to @egze,...
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This topic is about Day 5 of the Advent of Code 2020 .
Thanks to @egze, we have a private leaderboard:
https://adventofcode.com/2020/le...
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Hi, there :wave:
Today, I felt it was way more challenging! I went through part2 thanks to Agent based memoization (without memoization ...
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Note: This topic is to talk about Day 1 of the Advent of Code 2019.
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Note: This topic is to talk about Day 7 of the Advent of Code 2019 .
There is a private leaderboard for elixirforum members. You can joi...
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Continuation of Advent of Code 2022:christmas_tree:, Day 1:
Day 2!
Leaderboard:
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This topic is about Day 17 of the Advent of Code 2020 .
Thanks to @egze, we have a private leaderboard:
https://adventofcode.com/2020/l...
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Note by the Moderators: This topic is to talk about Day 6 of the Advent of Code.
For general discussion about the Advent of Code 2018 an...
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This topic is about Day 2 of the Advent of Code 2020.
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